1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
// File gp_Trsf2d.lxx, JCV 08/01/91
#include <gp_Trsf.hxx>
#include <gp_Pnt2d.hxx>
inline gp_Trsf2d::gp_Trsf2d () {
shape = gp_Identity;
scale = 1.0;
matrix.SetIdentity ();
loc.SetCoord (0.0, 0.0);
}
inline gp_Trsf2d::gp_Trsf2d (const gp_Trsf& T) :
scale(T.ScaleFactor()),
shape(T.Form()),
loc(T.TranslationPart().X(),T.TranslationPart().Y())
{
const gp_Mat& M = T.HVectorialPart();
matrix(1,1) = M(1,1);
matrix(1,2) = M(1,2);
matrix(2,1) = M(2,1);
matrix(2,2) = M(2,2);
}
inline void gp_Trsf2d::SetMirror(const gp_Pnt2d& P)
{
shape = gp_PntMirror;
scale = -1.0;
matrix.SetIdentity ();
loc = P.XY();
loc.Multiply (2.0);
}
inline void gp_Trsf2d::SetRotation (const gp_Pnt2d& P,
const Standard_Real Ang)
{
shape = gp_Rotation;
scale = 1.0;
loc = P.XY ();
loc.Reverse ();
matrix.SetRotation (Ang);
loc.Multiply (matrix);
loc.Add (P.XY());
}
inline void gp_Trsf2d::SetScale (const gp_Pnt2d& P,
const Standard_Real S)
{
shape = gp_Scale;
scale = S;
matrix.SetIdentity ();
loc = P.XY ();
loc.Multiply (1.0 - S);
}
inline void gp_Trsf2d::SetTranslation(const gp_Vec2d& V)
{
shape = gp_Translation;
scale = 1.0;
matrix.SetIdentity ();
loc = V.XY ();
}
inline void gp_Trsf2d::SetTranslation (const gp_Pnt2d& P1,
const gp_Pnt2d& P2)
{
shape = gp_Translation;
scale = 1.0;
matrix.SetIdentity ();
loc = (P2.XY()).Subtracted (P1.XY());
}
inline Standard_Boolean gp_Trsf2d::IsNegative() const
{ return (matrix.Determinant() < 0.0); }
inline const gp_XY& gp_Trsf2d::TranslationPart () const
{ return loc; }
inline const gp_Mat2d& gp_Trsf2d::HVectorialPart () const
{ return matrix; }
inline Standard_Real gp_Trsf2d::Value (const Standard_Integer Row,
const Standard_Integer Col) const
{
Standard_OutOfRange_Raise_if
(Row < 1 || Row > 2 || Col < 1 || Col > 3, " ");
if (Col < 3) return scale * matrix.Value (Row, Col);
else return loc.Coord (Row);
}
inline gp_TrsfForm gp_Trsf2d::Form() const
{ return shape; }
inline Standard_Real gp_Trsf2d::ScaleFactor() const
{ return scale; }
inline gp_Trsf2d gp_Trsf2d::Inverted() const
{
gp_Trsf2d T = *this;
T.Invert();
return T;
}
inline gp_Trsf2d gp_Trsf2d::Multiplied (const gp_Trsf2d& T) const {
gp_Trsf2d Tresult(*this);
Tresult.Multiply(T);
return Tresult;
}
inline gp_Trsf2d gp_Trsf2d::Powered (const Standard_Integer N)
{
gp_Trsf2d T = *this;
T.Power (N);
return T;
}
inline void gp_Trsf2d::Transforms (Standard_Real& X,
Standard_Real& Y) const
{
gp_XY Doublet (X, Y);
Doublet.Multiply (matrix);
if (scale != 1.0) Doublet.Multiply (scale);
Doublet.Add(loc);
Doublet.Coord (X, Y);
}
inline void gp_Trsf2d::Transforms (gp_XY& Coord) const
{
Coord.Multiply (matrix);
if (scale != 1.0) Coord.Multiply (scale);
Coord.Add(loc);
}
|
